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Features : Easy to install Uses 4x AAA batteries (not included) Includes 2 remote control keyrings (range:5m) and wall mount Loud 105 Db alarm Built in PIR motion sensor Wireless 110° scanning area Adjustable wall mounting bracket This Motion Sensor Alarm is ideal for protecting your property against unwelcome intruders.   It can be situated to cover the front door, back door, garage, shed, outbuildings etc.   It is also suitable for use on caravans and motor homes. It has a built in PIR motion sensor that will activate the alarm if any movement is detected.   It is simple to fit, there are no wires to connect, just put the required batteries in(requires 4 AA not supplied).  Alternatively you can use a 6v adapter which you can also use which is not supplied with this unit, fix to a suitable surface and turn it on using one of the supplied remote controls. Package includes : 1 x Alarm sensor 2 x Remote control 1 x Mount bracket Note : No retail package to save the cost and protect environment.